[INFO] fetching crate dfx-core 0.3.0...
[INFO] testing dfx-core-0.3.0 against try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933
[INFO] extracting crate dfx-core 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate dfx-core 0.3.0
[INFO] finished tweaking crates.io crate dfx-core 0.3.0
[INFO] tweaked toml for crates.io crate dfx-core 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dfx-core 0.3.0 on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dfx-core 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f660a2e814e566b99d13cb3d47defacc71f4997c7e99ed7a2992a651e540ad9d
[INFO] running `Command { std: "docker" "start" "-a" "f660a2e814e566b99d13cb3d47defacc71f4997c7e99ed7a2992a651e540ad9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f660a2e814e566b99d13cb3d47defacc71f4997c7e99ed7a2992a651e540ad9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f660a2e814e566b99d13cb3d47defacc71f4997c7e99ed7a2992a651e540ad9d", kill_on_drop: false }`
[INFO] [stdout] f660a2e814e566b99d13cb3d47defacc71f4997c7e99ed7a2992a651e540ad9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0258eaf0e72c304ec3268c27cc849e0c995a6a94d8251b5f310127ffbd649a6
[INFO] running `Command { std: "docker" "start" "-a" "b0258eaf0e72c304ec3268c27cc849e0c995a6a94d8251b5f310127ffbd649a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling base64ct v1.8.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling zeroize_derive v1.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.101
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling pem-rfc7468 v0.6.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling stacker v0.1.22
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling candid_derive v0.10.21
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling num-conv v0.2.0
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling rustls-pki-types v1.14.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling der v0.6.1
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]    Compiling libdbus-sys v0.2.7
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling webpki-roots v1.0.6
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling spki v0.6.0
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling rfc6979 v0.4.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling pkcs8 v0.9.0
[INFO] [stderr]    Compiling sec1 v0.7.3
[INFO] [stderr]    Compiling ed25519 v2.2.3
[INFO] [stderr]    Compiling ic_principal v0.1.2
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling crypto-bigint v0.4.9
[INFO] [stderr]    Compiling merlin v3.0.0
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]    Compiling pairing v0.23.0
[INFO] [stderr]    Compiling ff v0.12.1
[INFO] [stderr]    Compiling base16ct v0.1.1
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling subtle-ng v2.5.0
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling sec1 v0.3.0
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling curve25519-dalek-ng v4.1.1
[INFO] [stderr]    Compiling group v0.12.1
[INFO] [stderr]    Compiling ic_bls12_381 v0.10.1
[INFO] [stderr]    Compiling ic-certification v3.1.0
[INFO] [stderr]    Compiling elliptic-curve v0.13.8
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/8da20828b6ea601dfd8e2448cb50ace88876bd78/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=c5b6bcb75a3d2640 -C extra-filename=-aad59eae95d0a280 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fec5599a7f184630.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-de2c59b803aecfd0.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b0258eaf0e72c304ec3268c27cc849e0c995a6a94d8251b5f310127ffbd649a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0258eaf0e72c304ec3268c27cc849e0c995a6a94d8251b5f310127ffbd649a6", kill_on_drop: false }`
[INFO] [stdout] b0258eaf0e72c304ec3268c27cc849e0c995a6a94d8251b5f310127ffbd649a6